Air filter with top filtering area and tapered sidewall filtering area



FIG. 1 is a side elevational view of an air filter with top filtering area and tapered sidewall filtering area showing our new design, the other sides being identical to that shown;

FIG. 2 is a top plan view;

FIG. 3 is a bottom perspective view;

FIG. 4 is a fragmentary sectional view taken along line 4--4 of FIG. 2; and,

FIG. 5 is an enlarged fragmentary perspective view showing details of the pleats. 

The ornamental design for an air filter with top filtering area and tapered sidewall filtering area, as shown and described. 